World not ready for rise in extreme heat, scientists say

PARIS: Nearly 3.8 billion people could face extreme heat by 2050, and while tropical countries will bear the brunt, cooler regions will also need to adapt, scientists said Monday. Demand for cooling will “drastically” increase in large countries like Brazil, Indonesia, and Nigeria, where hundreds of millions of people lack air conditioning or other means to beat the heat. But even a moderate increase in hotter days could have a “severe impact” in nations not accustomed to such conditions, such as Canada, Russia, and Finland, said scientists from the University of Oxford.

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